@MrMagic - a grocery store seems like an unlikely place for a framed, uncut card deck sheet. No matter where I work, I generally try to keep my personal possessions that I leave there at a minimum, particularly if it's rare, valuable or difficult/impossible to replace. Hang it proudly in your home, man - it's a work of art! (Also bear in mind that unless you shell out extra for museum-type glass, sunlight in any place that you hang it could ruin the colors over time.) The "wall of cards" idea is kind of interesting, but you needn't go to such an extreme as building them into a wall. Find an area with a lot of space that you'd like to divide and string them from ceiling to floor using steel wires. Another option would be to build them into a Japanese-style room divider, but you'd want to secure it to a wall or fixture so one clumsy accident doesn't ruin the entire collection or kill anyone standing nearby!
@Eggman - it may have only cost you $20, but on average an unframed, uncut sheet goes for nearly $100 on eBay, with exceptionally rare ones going for multiples above that. Framing it will increase the value, especially if it's a quality job. Not to mention it's a freakin' work of art! DeckOne was a really cool design, and the backs remind me of the throne room from the Death Star II! I love that deck.